Demi Lovato Shares Her Biggest Struggle Whenever She Works Out

“I first got into jiu-jitsu because I loved watching people grapple,” Lovato says. (Jiu-jitsu focuses on hand-to-hand combat moves and ground work such as grappling, throwing, and pinning.) “I think it’s really cool to learn something that helps you with self-defense.” She adds that she also finds MMA fighting meditative because she’s constantly thinking of ways to attack and defend.